INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous) Dundigal, Hyderabad -500 043 MECHANICAL ENGINEERING
TUTORIAL QUESTION BANK
Course Name : ENERGY CONSERVATION AND MANAGEMENT
Course Code :
AME805
Class : VII Semester
Branch : MECHANICAL ENGINEERING
Year : 2019–2020
Course Coordinator : Mr. G.Sarat raju, Assistant professor.
Course Faculty : Mr. G.Sarat raju, Assistant professor.
OBJECTIVES:
I Understand the fuels and combustion in relation to energy conservation.
II Understand the properties and sources of steam.
III Learn about the energy saving methods.\
IV
Understand the waste heat recovery.
S No QUESTION
Blooms Taxonomy
Level
Course Learning Outcomes
UNIT – I
FUELS AND COMBUSTION, BOILERS
Part - A (Short Answer Questions)
1 What is the function of a reheater? Understand AME805.01
2 Write the methods of coal storage? Understand AME805.02
3 List out the methods of coal handling Understand AME805.03
4 What is the function of a coal crusher? Remember AME805.02
5 What is the necessity of a stoker Understand AME805.01
6 Differentiate between wet type and electrical dust collectors Understand AME805.01
7 Explain the function of a generator. Understand AME805.02
8 What is underfeed fuel bed? Understand AME805.03
9 What is over feed fuel bed? Remember AME805.04
10
Define the term fuels.
Understand AME805.0211
What are fossil fuels? ? Give examples.
Understand AME805.0212
Define primary fuels
Understand AME805.0313
What are secondary fuels?
Understand AME805.0414
. Write a short note on liquid fuels
Understand AME805.0215
What do you mean by product of combustion?
Remember AME805.04Part - B (Long Answer Questions)
Understand 1 Explain the following (i) Compressed naturalgas (CNG) (ii) Liquid
petroleum gas. (LPG) Understand AME805.02
2
What do you mean by hydrogenation of coal How Synthetic petrol
is manufactured by Bergius Process?
Understand AME805.013
Explain proximate analysis. Give its significance.
Understand AME805.02 4 Explain with neat sketchs, the construction and working of the La Mont
boiler and Bension boiler
Understand AME805.01 5 Explain the following boiler terms : Shell, setting, grate, furnace, water
space and steam space Understand
AME805.02 6 State the differences between the following boilers? Externally fired and
internally fired boilers Understand AME805.01
7 How can you convert weight analysis in volumetric analysis? Understand AME805.02 8 Derive Boiler Efficiency by Indirect Method.
9 What are the Factors Affecting Boiler Performance? Discuss. Remember AME805.02 10
Why boiler efficiency by indirect method is more useful than direct
method?
Understand AME805.0111
What are the Measurements Required for Performance Assessment
Testing in boilers?
Understand AME805.0112
What is the significance of pre-heating furnace oil before burning?
Understand AME805.02 13What are the uses of proximate and ultimate analysis?
14
What are the major constituent of LPG and Natural gas?
Remember AME805.02 15Which parameter influences the Viscosity of liquid fuel?
Understand AME805.01UNIT-II
STEAM SYSTEM`
Part - A (Short Answer Questions)
1 Explain „degree of reaction‟ in a steam turbine Understand AME805.04 2 Discuss the importance of compounding of steam turbine. Understand AME805.05 3 List the functions of governors in steam turbine. Understand AME805.05
4 What are boiler mountings? Remember AME805.06
5 What are boiler tube leak identifications? Understand AME805.07
6 What is a steam trap? Understand AME805.06
7 Discuss Specific enthalpy of wet steam. Understand AME805.05
8 Write the Advantages of superheated steam. Understand AME805.06
9 Why Dryness fraction is important ? Remember AME805.07
10 What is throttling process? Understand AME805.08
11 Name two reasons why steam is used as a heat transfer medium? Understand AME805.05 12 What are the some Major Uses Of Flash Steam? Remember AME805.06 13 What is Operating principle of acoustic steam leak detection system? Understand AME805.07 14
What is the Principles of Acoustic Emission?
Understand AME805.06 15 How Bubble immersion test can be performed? Understand AME805.05Part - B (Long Answer Questions)
1 What is the reason boiler water tubes leak? Understand AME805.06
2 Explain different Types of Steam Traps. Understand AME805.05
3 Write the Advantages disadvantages of the inverted bucket steam trap. Understand AME805.06 4 What are the Performance Assessment Methods for Steam Traps? Remember AME805.07 5 What are the precautions to be taken while steam pressure is reduced for a
process? Understand AME805.08
6 List a few barriers to heat transfer in heat exchangers using steam? Understand AME805.05 7
Name a few methods for testing of steam traps? Explain them.
Understand AME805.06 8 Explain why low-pressure steam is more efficient? Understand AME805.049 Write aboutLeak detection methods without leak detector. Remember AME805.05 10 How can you determine dryness fraction by Throttling Calorimeter? Understand AME805.06
11 What are the precautions to be taken while steam pressure is reduced for a process?
12 Discuss the advantages of direct injection versus indirect injection using steam?
13 List a few barriers to heat transfer in heat exchangers using steam?
14 Name two cases when steam trap can fail?
15 Explain why low-pressure steam is more efficient?
UNIT-III
INSULATION and COGENERATION
Part - A (Short Answer Questions)
1
Which feature is best suited for insulating materials?
Understand AME805.09 2What are the different types of insulation?
Understand AME805.103
What is the density of insulation?
Understand AME805.084
Which is better fiberglass or cellulose insulation?
Remember AME805.10 5What is the best material for attic insulation?
Understand AME805.096
How well does fiberglass insulate heat?
Understand AME805.107
Which is better cellulose or foam insulation?
Understand AME805.098
Why is Cogeneration more efficient?
Understand AME805.109
What is cogeneration and what are its advantages?
Remember AME805.0810
What is an example of cogeneration?
Understand AME805.1011
How does cogeneration save energy resources?
Remember AME805.08 12What are the disadvantages of cogeneration?
Understand AME805.10 13What do you mean by “Economic thickness of insulation”? Explain
in details
14
What are the factors involved in selecting a lagging material?
15
List out the general requirements of refractory?
Part – B (Long Answer Questions)
1
Explain the different types of insulation?
Understand AME805.09 2What are the disadvantages of cogeneration?
Understand AME805.103
What is the process of cogeneration?
Remember AME805.104
Write short notes on cogeneration system.
Understand AME805.09 5Write short notes on cogeneration cycle.
Understand AME805.106
How does a cogeneration system work?
Understand AME805.097
What is cogeneration and how does it work?
Understand AME805.108
How does a trigeneration plant work?
Remember AME805.089
What are some benefits of using a smart grid?
Understand AME805.10 10What are the Types Of Cogeneration Systems
Understand AME805.10 11Write short notes on Power Plant Performance Analysis
Understand AME805.10 12Explain one case study of Reciprocating engine system in industry
Understand AME805.10 13Explain briefly Cogeneration system-Sugar Mill
Understand AME805.1014
Explain one case study of Reciprocating engine system in industry
Understand AME805.10 15How do you classify the Cogeneration system? Explain any one
System.
Understand AME805.10UNIT-IV
WASTE HEAT RECOVERY
Part - A (Short Answer Questions)
1
What are the direct and indirect benefits of waste heat recovery?
Understand AME805.13 2What are the sources of waste heat recovery?
Understand AME805.14 3How does a heat recovery ventilator work?
Understand AME805.154
What is recovery unit?
Remember AME805.095
What is HRSG in power plant?
Understand AME805.106
What is waste heat recovery boiler?
Understand AME805.087
Why is there always some waste heat in a heat engine?
Understand AME805.108
Why do cars produce unwanted heat?
Remember AME805.099
What are the direct and indirect benefits of waste heat recovery?
Understand AME805.10 10What is the difference between an ERV and HRV?
Understand AME805.0911
What is the function of Recuperator?
Remember AME805.0912
What is the function of Air preheater?
Understand AME805.1013
What are the advantages of Recuperator?
Understand AME805.0914
What is the function of regenerator?
Remember AME805.0915
What is the difference between recuperator and regenerator?
Remember AME805.09Part - A (Short Answer Questions)
1
List some of the direct and indirect benefits of waste heat
recovery systems Understand AME805.11
2
What are the major points to be considered for developments of
WHRS? Remember AME805.11
3
Mention any three commercial waste heat recovery devices. Understand AME805.11
4What is the principle of „recuperators‟? Understand AME805.11
5What is the advantage of „ceramic recuperators‟ over „metallic
recuperators‟? Understand AME805.11
6
Describe briefly about „heat wheels‟? Understand AME805.11
7
List some of the major applications of a „heat wheel‟? Remember AME805.11
8Explain with a neat sketch the function of an economizer? Understand AME805.11
9What are waste heat recovery boilers? Explain the need and benefits? Understand AME805.11
10Explain the principle of operation of heat pipe. Discuss three
examples of its industrial application Understand AME805.11
11What is the principle of „regenerators‟? Understand AME805.11
12Explain briefly about heat recovery unit. Understand AME805.11
13What are the major advantages of waste heat recovery in industry? Understand AME805.11
14
Write short notes on Economizer Understand AME805.11
15
Write short notes on thermo compressor. Understand AME805.11 UNIT-V
COOLING TOWER
Part - A (Short Answer Questions)
1
How do you calculate the effectiveness of a cooling tower?Understand AME805.11 2
What are the parameters affect to performance of cooling tower?Understand AME805.11
3
What is the approach of a cooling tower?Understand AME805.11
4
What is the meaning of TR in cooling tower? RememberAME805.11
5
How do you calculate TR on a cooling tower? UnderstandAME805.11
6
What is the Blow-down Loss, if the Cycles of Concentration (COC) is 3.0? UnderstandAME805.11
7
What is the function of fill media in a cooling tower? UnderstandAME805.11 8
List the factors affecting cooling tower performance. UnderstandAME805.11
9
How many types of cooling towers are there? RememberAME805.11
10 What is L/G ratio? Understand AME805.11
11 What is the function of mechanical draft towers? Understand
AME805.11
12 What are the components of cooling tower? Remember
AME805.11
13 What are the materials of cooling tower? Understand AME805.11
14 What are the important parameters of cooling towers? Understand
AME805.11
15 Write some factors affecting cooling tower performance. RememberAME805.11
Part - B (Long Answer Questions) 1 What do you understand by the following terms in respect of cooling
towers? a) Approach, b) Cooling Duty Understand AME805.11
2 Explain with a sketch the different types of cooling towers. Understand AME805.12 3 What do you mean by the term of Cycles of Concentration and how it is
related to cooling tower blow down?
Understand AME805.12 4 CT Observations at an industrial site were * CW Flow : 5000 m3 /hr * CW
in Temperature : 42°C * CW Out Temperature : 36°C * Wet Bulb Temperature : 29°C What is the Effectiveness of the cooling tower?
Remember
AME805.11
5 What is the function of fill media in a cooling tower? Understand AME805.11 6 Explain the difference between evaporation loss and drift loss? Understand AME805.13
7 Explain the term L/G ratio briefly. Understand AME805.13
8 List the energy conservation opportunities in a cooling tower system. Understand AME805.14 9 What do you understand by the following terms in respect of cooling
towers? a) Range b) Cooling Tower Effectiveness Remember
AME805.11
10 What is the effect of change in heat load on cooling tower performance
?Explain Understand AME805.12
11 Explain briefly about Mechanical draft towers Understand AME805.13 12 Explain the Components of Cooling Tower with neat sketch Understand AME805.13
13 Write short notes on Tower Materials Understand AME805.14
14 What are the important parameters, from the point of determining the
performance of cooling towers? Understand AME805.14
15 What are the factors Affecting Cooling Tower Performance? Understand AME805.14
Prepared By:
Mr. G.Saratraju, Assistant Professor
